PULMONATA, 5/ 



2. GEOMALACUS. 



Body rather depressed, shield granular ; back rounded, convex, 

 not keeled. Subcaudal gland lunate, horizontal. Respirator}- aper- 

 ture rather iu front of the middle of the lower edge of the mantle. 

 Foot divided into three equal longitudinal bands. Teeth square, 

 close, like Helix. 



Shell none. 



Geomalacus, Allman, AfJiencBum, 1843, 851 ; Proc. Brit. Assoc. 

 Cork, 1843 ; Ann. ^ Mag. N. H. 1845, x\ai. 29/. 



Gray, Proc. Zool. Soc. 1847; Mrs. Gra/s Moll. iv. 112. 

 Philippi, Handb. Conch. 239. 



1. Geomalacus maculatus. B.M. 



Intense black, beneath pale brownish white ; back and shields 

 with numerous minute subequal yellow spots, generally more nu- 

 merous on a line on each side of the body. 



Geomalacus macnlntus, Allman, Ann. 6fMa(j. N.H. 1846, 297. t. 

 Mrs. Gray, Fig. Moll. t. 280. f. 1. 



Hah. Ireland. Rocks in damp weather at Glouin Caragh, south 

 of Dingle Bay, Co. Kerry. Discovered in 1842 by W. An- 

 drews, Esq. 



The subcaudal gland is small, and scarcely to be distinguished 

 in specimens in spirits. These animals are difficult to keep alive 

 in conhnement. 



B. Body more or less spiral, prominent from the middle of the 

 ujjper part of the foot, and covered with a more or less de- 

 veloped spiral shell, sometimes hidden by the reftxed edge of 

 the mantle. Subcaudal gland linear, perpendicular. 



Helix, § Pherepora, Desmoidin, 1824. 



a. Body and shell subpeltate, very slightly spiral. 



3. DRUSIA. 



Mantle subpeltate, on the middle of the back ; under side of 

 the body confounded with the upper surface of the foot, and only 

 separated from it by a transverse arched posterior groove. Ajier- 

 ture of respiration on the middle of the right side of the mantle. 

 Foot high, keeled behind : bade of the neck with three grooves, 

 the central double, the lateral one bent down to the side of the 



D 5 



